=============== Oct 22, 2020 (KST) ===============
18:35:38.417675 log@legend F·NumFile S·FileSize N·Entry C·BadEntry B·BadBlock Ke·KeyError D·DroppedEntry L·Level Q·SeqNum T·TimeElapsed
18:35:38.435089 db@open opening
18:35:38.435642 version@stat F·[] S·0B[] Sc·[]
18:35:38.446128 db@janitor F·2 G·0
18:35:38.446172 db@open done T·11.055999ms
18:35:48.473995 db@close closing
18:35:48.474339 db@close done T·343.376µs
